大约有 36,010 项符合查询结果(耗时:0.0614秒) [XML]
Get property value from string using reflection
...
@shA.t: I think that's a bad idea. How do you differentiate between a null value of an existing property or no property at all? I'd much rather know immediately that I was sending in a bad property name. This is not production code, but a better improvement would ...
python list by value not by reference [duplicate]
...
Doesn't work for me. Any changes I make to b are also seen in a.
– Mannix
May 28 '17 at 19:50
1
...
How is mime type of an uploaded file determined by browser?
...hrome (version 38 as of writing) has 3 ways to determine the MIME type and does so in a certain order. The snippet below is from file src/net/base/mime_util.cc, method MimeUtil::GetMimeTypeFromExtensionHelper.
// We implement the same algorithm as Mozilla for mapping a file extension to
// a mime ty...
JavaScript hide/show element
...
function showStuff(id, text, btn) {
document.getElementById(id).style.display = 'block';
// hide the lorem ipsum text
document.getElementById(text).style.display = 'none';
// hide the link
btn.style.display = 'none';
}
<td class="post"&...
Why would I use Scala/Lift over Java/Spring? [closed]
...otations and Spring really minimizes the amount of coding that you have to do for an application. Does Scala/Lift improve upon that?
...
Why is null an object and what's the difference between null and undefined?
...e is undefined)
You: What is name? (*)
JavaScript: name? What's a name? I don't know what you're talking about. You haven't ever mentioned any name before. Are you seeing some other scripting language on the (client-)side?
name = null;
You: What is name?
JavaScript: I don't know.
In short; undefin...
What is the proper way to format a multi-line dict in Python?
...
I use #3. Same for long lists, tuples, etc. It doesn't require adding any extra spaces beyond the indentations. As always, be consistent.
mydict = {
"key1": 1,
"key2": 2,
"key3": 3,
}
mylist = [
(1, 'hello'),
(2, 'world'),
]
nested = {
a: [
...
Changing route doesn't scroll to top in the new page
...ruct $anchorScroll to "scroll the viewport after the view is updated" (the docs are a bit vague, but scrolling here means scrolling to the top of the new view).
The solution is to add autoscroll="true" to your ngView element:
<div class="ng-view" autoscroll="true"></div>
...
Convert JavaScript String to be all lower case?
...
Consider this also, "toLowerCase does not affect the value of the string str itself". This is base on a documentation here developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Cary Bondoc
Jun 27 '14 at 0:52
...
Preloading images with jQuery
...
Doesn't the image element need to be inserted into the DOM to ensure the browser caches it?
– JoshNaro
Aug 17 '10 at 15:33
...
